private MovieDTO getMovie(Long id) {
if (movie == null || !movie.getId().equals(id)) {
movie = movieService.getMovieById(id);
}
return movie;
}
public void visitMovies(MovieVisitor visitor) {
for (MovieDTO m : movieService.getAllMovies()) {
visitor.visit(
m.getId(), m.getTitle(), m.getReleaseDate(), m.isRented(), m.getPriceCategory());
}
}